D-ZLAF85A-25 by CDGM
Preferred
Common
Precision Molding
Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
| Refractive Index (nd) | 1.8511 |
|---|---|
| Abbe Number (Vd) | 40.055609 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.365 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.37428\,\lambda^2}{\lambda^2 - 105.611} + \frac{0.412199\,\lambda^2}{\lambda^2 - 0.0373787} + \frac{1.91321\,\lambda^2}{\lambda^2 - 0.00975371}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | 7.8 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[5.25 \times 10^{-6} + 2(2.15 \times 10^{-8})\,\Delta T + 3(-1.05 \times 10^{-10})\,\Delta T^2 + \frac{8.21 \times 10^{-7} + 2(-6.33 \times 10^{-10})\,\Delta T}{\lambda - 0.216}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 5.22 |
|---|---|
| Relative Cost | 30.7 |
Mechanical Properties
| Young's Modulus (GPa) | 120.03 |
|---|---|
| Poisson's Ratio | 0.301 |
| Knoop Hardness (kgf/mm²) | 702.0 |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
anneal rate:25℃/h
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| M-TAFD315 | Hoya | 1.85135 | 40.07 | |
| MC-TAFD315 | Hoya | 1.85135 | 40.07 | |
| MP-TAFD305 | Hoya | 1.85135 | 40.1 | |
| M-TAFD305 | Hoya | 1.85135 | 40.1 | |
| MC-TAFD305 | Hoya | 1.85135 | 40.1 | |
| L-LAH85V | Ohara | 1.854 | 40.378368 | |
| L-LAH85 | Ohara | 1.854 | 40.393284 | |
| K-VC185(M) | Sumita | 1.84909 | 40.5 | |
| K-VC185 | Sumita | 1.85375 | 40.6 | |
| S-LAH89 | Ohara | 1.8515 | 40.782269 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| D-ZLAF85A | CDGM | 1.85222 | 40.10819 | |
| D-ZLAF85L-25 | CDGM | 1.8526 | 40.534071 | |
| D-ZLAF85LS-25 | CDGM | 1.85344 | 40.557917 | |
| D-ZLAF85L | CDGM | 1.8537 | 40.579411 | |
| D-ZLAF85LS | CDGM | 1.8545 | 40.593546 | |
| D-ZLAF85LN | CDGM | 1.84558 | 40.094322 | |
| D-ZLAF85LN-25 | CDGM | 1.84443 | 40.067973 | |
| H-ZLAF55C | CDGM | 1.83481 | 42.711575 | |
| H-ZLAF55D | CDGM | 1.83481 | 42.725177 | |
| H-ZLAF3 | CDGM | 1.855449 | 36.59805 |